The Environment Agency has said it is investigating after concerns were raised about possible pollution in a river in Birmingham.
Residents in the Selly Park and Stirchley areas shared concerns and photos on social media about “foam” seen travelling along the River Rea.
Pictures were taken in various locations, including alongside Cannon Hill Park, near the Rea Valley Cycle Path and near the city’s Third Avenue.
“We are aware of this incident and our officers are investigating,” said an agency spokesperson.